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Multi-slice spiral CT coronary angiograghy:technique and initial clinical application

Yang Wen

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Abstract

Objective: To evaluate the ability of Multi-slice spiral CT (MSCT) on display of coronary artery and the feasibility of MSCT in diagnosis of coronary stenosis. Methods: 52 patients with suspected coronary heart disease and 3 patients underwent MSCT coronary angiography. 28 of them were also investigated with selective coronary angiography (SCA). Results: With MSCT angiography, 82% coronary segments were assessable. The sensitivity for diagnosing significant coronary stenosis (≥50% lumen reduction) was 70.97%, the specificity was 98.75%. The negative predictive value was 96.34%. Conclusion: MSCT coronary angiography, non-invasive、 convenient and reliable, is a potential method for screening coronary artery disease and following-up post-operative PTCA, especially in patients with low heart rates.

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What this paper is about

Objective: To evaluate the ability of Multi-slice spiral CT (MSCT) on display of coronary artery and the feasibility of MSCT in diagnosis of coronary stenosis. Methods: 52 patients with suspected coronary heart disease and 3 patients underwent MSCT coronary angiography. 28 of them were also investigated with selective coronary angiography (SCA). Results: With MSCT angiography, 82% coronary segments were assessable. The sensitivity for diagnosing significant coronary stenosis (≥50% lumen reduction) was 70.97%, the specificity was 98.75%. The negative predictive value was 96.34%. Conclusion: MSCT coronary angiography, non-invasive、 convenient and reliable, is a potential method for screening coronary artery disease and following-up post-operative PTCA, especially in patients with low heart rates.

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Available abstract

Objective: To evaluate the ability of Multi-slice spiral CT (MSCT) on display of coronary artery and the feasibility of MSCT in diagnosis of coronary stenosis. Methods: 52 patients with suspected coronary heart disease and 3 patients underwent MSCT coronary angiography. 28 of them were also investigated with selective coronary angiography (SCA). Results: With MSCT angiography, 82% coronary segments were assessable. The sensitivity for diagnosing significant coronary stenosis (≥50% lumen reduction) was 70.97%, the specificity was 98.75%. The negative predictive value was 96.34%. Conclusion: MSCT coronary angiography, non-invasive、 convenient and reliable, is a potential method for screening coronary artery disease and following-up post-operative PTCA, especially in patients with low heart rates.

Key concepts: Medicine, Coronary angiography, Coronary artery disease, Stenosis, Radiology, Lumen (anatomy), Cardiology, Internal medicine

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